参数资料
型号: SI9166BQ-T1-E3
厂商: Vishay Siliconix
文件页数: 3/11页
文件大小: 0K
描述: IC REG BUCK BST SYNC ADJ 16TSSOP
标准包装: 3,000
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 1.3V
输入电压: 2.7 V ~ 6 V
PWM 型: 电压模式
频率 - 开关: 200kHz ~ 2MHz
电流 - 输出: 1.5A
同步整流器:
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
包装: 带卷 (TR)
供应商设备封装: 16-TSSOP
Product is End of Life 3/2014
Si9166
Vishay Siliconix
SPECIFICATIONS
Test Conditions
Limits
Min
Parameter
Symbol
Unless Otherwise Specified
2.7 V ≤ V DD , V S ≤ 6 V
a
Typ b
Max a
Unit
SD, SYNC, PWM/PSM
Logic High
Logic Low
Input Current
V IH
V IL
I L
2.4
- 1.0
0.8
1.0
V
μA
Oscillator
Maximum Frequency
Accuracy
F OSC
Nominal 1.60 MHz, R OSC = 30 k Ω
2
- 20
20
MHz
Maximum Duty Cycle - Buck
Maximum Duty Cycle - Boost
SYNC Range
D MAX
F SYNC /F OSC
F sw = 2 MHz (non LDO mode)
F sw = 2 MHz
75
52
1.2
85
65
1.5
%
SYNC Low Pulse Width
50
SYNC High Pulse Width
SYNC t r , t f
Error Amplifier
50
50
ns
Input Bias Current
Open Loop Voltage Gain
I BIAS
A VOL
V FB = 1.4 V
-1
50
60
1
μA
dB
FB Threshold
V FB
T A = 25 °C
1.270
1.258
1.30
1.30
1.330
1.342
V
Unity Gain BW
BW
2
MHz
Output Current
I EA
Source (V FB = 1.05 V), V COMP = 0.75 V
Sink (V FB = 1.55 V), V COMP = 0.75 V
1
-3
3
-1
mA
Power Supply Rejection
PSRR
60
dB
Output Current (DH and DL)
Output High Voltage
Output Low Voltage
Peak Output Source
Peak Output Sink
Break-Before-Make
V OH
V OL
I SOURCE
I SOURCE
t BBM
V S = 3.3 V, I OUT = - 20 mA
V S = 3.3 V, I OUT = 20 mA
V S = 3.3 V, DH = DL = V S /2
V S = V DD = 3.3 V
3.18
500
3.24
0.06
- 750
750
30
0.12
- 500
V
mA
ns
Supply
Normal Mode
V DD = 3.3 V, F OSC = 2 MHz
500
750
PSM Mode
I DD
V DD = 3.3 V
180
250
μA
Shutdown Mode
V DD = 3.3 V, SD = 0 V
1
Notes:
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.
b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Document Number: 70847
S-40701-Rev. C, 19-Apr-04
www.vishay.com
3
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